Home / 28,690.10-43,042.07-9,967.41

Finding the Fourth Proportional to 28,690.10, 43,042.07 and 9,967.41

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Solution

The fourth proportional to 28,690.10, 43,042.07 and 9,967.41 is: 14,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.10 : 43,042.07 = 9,967.41 : x
  2. Step 2: Convert to fraction form
    28,690.10/43,042.07 = 9,967.41/x
  3. Step 3: Cross multiply
    28,690.10x = 43,042.07 × 9,967.41
  4. Step 4: Simplify right side
    28,690.10x = 429,017,909.10
  5. Step 5: Solve for x
    x = 429,017,909.10/28,690.10
  6. Step 6: Final answer
    x = 14,953.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.